It was not illegal to buy Diancui jewelry through proper channels during the Republic of China. In China, according to relevant laws and regulations, the purchase, collection or possession of cultural heritage items such as antiques and cultural relics need to comply with relevant regulations. As for Diancui jewelry in the Republic of China, it has certain historical and cultural value, so its trading and collection also need to abide by some legal provisions. According to the Law of People's Republic of China (PRC) on the Protection of Cultural Relics and other relevant laws and regulations, the state prohibits the acquisition, collection, trading, sale and transportation of cultural relics that do not meet the statutory requirements without permission, and offenders may face legal sanctions and fines. In addition, for cultural relics trading, it is necessary to consult the local cultural relics department or relevant competent departments through legal channels, and the specific procedures and procedures can be consulted.